IN74HC258A 데이터 시트보기 (PDF) - IK Semicon Co., Ltd
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IN74HC258A Datasheet PDF : 6 Pages
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IN74HC258A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
tPLH, tPHL Maximum Propagation Delay, Nibble A or B to
Output Y (Figures 1and 4)
tPLH, tPHL Maximum Propagation Delay , Select to
Output Y (Figures 2 and 4)
tPLZ, tPHZ Maximum Propagation Delay , Output Enable to
Output Y (Figures 3 and 5)
tPZL, tPZH Maximum Propagation Delay , Output Enable to
Output Y (Figures 3 and 5)
tTLH, tTHL Maximum Output Transition Time, Any Output
(Figures 1 and 4)
CIN
COUT
Maximum Input Capacitance
Maximum Three-State Output Capacitance
(Output in High-Impedance State)
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C Unit
to
-55°C
2.0 100
125
150
ns
4.5 20
25
30
6.0 17
21
26
2.0 160
200
240
ns
4.5 32
40
48
6.0 18
35
42
2.0 150
190
225
ns
4.5 30
38
45
6.0 26
33
38
2.0 110
140
165
ns
4.5 22
28
34
6.0 20
25
30
2.0 60
75
90
ns
4.5 12
15
18
6.0 10
13
15
-
10
10
10
pF
-
15
15
15
pF
Power Dissipation Capacitance (Per Package)
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
Typical @25°C,VCC=5.0 V
59
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00
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